Aphid survived
Spotted alfalfa aphids have survived the winter in the Auckland region, although numbers so far are small and the aphid-may not prove as harmful as first feared. The aphid is a destructive lucerne pest in several countries and was first discovered in New Zealand in April. The Ministry of Agriculture and Fisheries has maintained a monitoring programme over the winter with monthly surveys of aphid distribution. An entomologist at the
Auckland Plant Health Diagnostic Station, Mr Pat Dale, said aphid numbers were still “minute.” but it was obvious the pest had successfully survived the winter. The spotted alfalfa aphid reaches peak populations in high, mid-summer temperatures and can damage lucerne severely during this .period. Mr Dale said field officers ■ of the M.A.F. had surveyed about 80 hectares during September and found 22 aphids.
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Press, 10 December 1982, Page 22
Word Count
135Aphid survived Press, 10 December 1982, Page 22
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